Thermostat- SD-T4001

SD-T4001 acts as a basic plug-in thermostat.

Thermostat- SD-T4002

SD-T4002 acts as a programmable digital thermostat.

Thermostat- SD-T4003

SD-T4003 acts as a combination of the basic plug-in version together with a remote control.

Thermostat- SD-T4004

SD-T4004 acts as a combination of a box receiver and a wireless remote control.